Custom Under motor mount battery boxes - CX and GL | Honda CX 500 Forum
Rick's Motorsport Electrics® Lithium Ion Battery Compatible Regulator Rectifier 14-117 for 1978 - 1981 Honda CX500 models with OE# 31600-460-731 & 31600-426-000 (14-117)
The CX500 is nearing completion, gotta sort out a better battery box situation and upgrade the hand-controls and then I think I'm about finished with it👍 : r/CafeRacers